Portion of a shoe upper



FIG. 1 is a front perspective view of a shoe upper showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a side view thereof; and,

FIG. 6 is a top view thereof.

The even broken line showings within the shaded area represent stitching. The uneven broken lines immediately adjacent to the shaded region form unclaimed boundaries of the design. The uneven broken line showing of the six circular eyelets and the remainder of the shoe is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a portion of a shoe upper, as shown and described. 